Chora Tua Tristeza

Recording by Oscar Castro-Neves.

Recording identifiers

ISRC
BRMCA6000044
CopyrightID (CopyrightChains transaction hash)
0x465c48ce1befa81cda1851848daa683d76270276176dea131e5bef6827499f82
Copyright registration time
2026-06-07T07:04:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:5693487a3508a212bd41a11492d9620c87c2c33b8216eac1ae4adcbc012e4c69

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.